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Finding the Third Proportional to 624,643,695.56 and 1,371,851,125.52

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Solution

The third proportional to 624,643,695.56 and 1,371,851,125.52 is: 3,012,878,420.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,643,695.56 : 1,371,851,125.52 = 1,371,851,125.52 : x
  2. Step 2: Convert to fraction form
    624,643,695.56/1,371,851,125.52 = 1,371,851,125.52/x
  3. Step 3: Cross multiply
    624,643,695.56x = 1,371,851,125.52 × 1,371,851,125.52
  4. Step 4: Simplify right side
    624,643,695.56x = 1,881,975,510,599,819,520
  5. Step 5: Solve for x
    x = 1,881,975,510,599,819,520/624,643,695.56
  6. Step 6: Final answer
    x = 3,012,878,420.08

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.