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Finding the Third Proportional to 74,031,516 and 118,220,624

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Solution

The third proportional to 74,031,516 and 118,220,624 is: 188,786,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,031,516 : 118,220,624 = 118,220,624 : x
  2. Step 2: Convert to fraction form
    74,031,516/118,220,624 = 118,220,624/x
  3. Step 3: Cross multiply
    74,031,516x = 118,220,624 × 118,220,624
  4. Step 4: Simplify right side
    74,031,516x = 13,976,115,938,949,376
  5. Step 5: Solve for x
    x = 13,976,115,938,949,376/74,031,516
  6. Step 6: Final answer
    x = 188,786,029.17

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.