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Finding the Third Proportional to 87,310,818 and 145,509,264

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Solution

The third proportional to 87,310,818 and 145,509,264 is: 242,500,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,310,818 : 145,509,264 = 145,509,264 : x
  2. Step 2: Convert to fraction form
    87,310,818/145,509,264 = 145,509,264/x
  3. Step 3: Cross multiply
    87,310,818x = 145,509,264 × 145,509,264
  4. Step 4: Simplify right side
    87,310,818x = 21,172,945,909,821,696
  5. Step 5: Solve for x
    x = 21,172,945,909,821,696/87,310,818
  6. Step 6: Final answer
    x = 242,500,830.88

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These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.