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Finding the Third Proportional to 18,929,748 and 28,362,546

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Solution

The third proportional to 18,929,748 and 28,362,546 is: 42,495,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929,748 : 28,362,546 = 28,362,546 : x
  2. Step 2: Convert to fraction form
    18,929,748/28,362,546 = 28,362,546/x
  3. Step 3: Cross multiply
    18,929,748x = 28,362,546 × 28,362,546
  4. Step 4: Simplify right side
    18,929,748x = 804,434,015,602,116
  5. Step 5: Solve for x
    x = 804,434,015,602,116/18,929,748
  6. Step 6: Final answer
    x = 42,495,759.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.