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Finding the Third Proportional to 355,578,140 and 534,313,894

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Solution

The third proportional to 355,578,140 and 534,313,894 is: 802,893,387.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,578,140 : 534,313,894 = 534,313,894 : x
  2. Step 2: Convert to fraction form
    355,578,140/534,313,894 = 534,313,894/x
  3. Step 3: Cross multiply
    355,578,140x = 534,313,894 × 534,313,894
  4. Step 4: Simplify right side
    355,578,140x = 285,491,337,321,443,232
  5. Step 5: Solve for x
    x = 285,491,337,321,443,232/355,578,140
  6. Step 6: Final answer
    x = 802,893,387.43

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