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Finding the Third Proportional to 42,645,190.50 and 62,368,420.50

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Solution

The third proportional to 42,645,190.50 and 62,368,420.50 is: 91,213,565.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,645,190.50 : 62,368,420.50 = 62,368,420.50 : x
  2. Step 2: Convert to fraction form
    42,645,190.50/62,368,420.50 = 62,368,420.50/x
  3. Step 3: Cross multiply
    42,645,190.50x = 62,368,420.50 × 62,368,420.50
  4. Step 4: Simplify right side
    42,645,190.50x = 3,889,819,875,664,820
  5. Step 5: Solve for x
    x = 3,889,819,875,664,820/42,645,190.50
  6. Step 6: Final answer
    x = 91,213,565.47

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.