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Finding the Third Proportional to 155,487,721.50 and 359,963,635.50

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Solution

The third proportional to 155,487,721.50 and 359,963,635.50 is: 833,337,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,487,721.50 : 359,963,635.50 = 359,963,635.50 : x
  2. Step 2: Convert to fraction form
    155,487,721.50/359,963,635.50 = 359,963,635.50/x
  3. Step 3: Cross multiply
    155,487,721.50x = 359,963,635.50 × 359,963,635.50
  4. Step 4: Simplify right side
    155,487,721.50x = 129,573,818,882,376,864
  5. Step 5: Solve for x
    x = 129,573,818,882,376,864/155,487,721.50
  6. Step 6: Final answer
    x = 833,337,948.70

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.