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Finding the Third Proportional to 438,841,665 and 943,727,490

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Solution

The third proportional to 438,841,665 and 943,727,490 is: 2,029,482,718.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,841,665 : 943,727,490 = 943,727,490 : x
  2. Step 2: Convert to fraction form
    438,841,665/943,727,490 = 943,727,490/x
  3. Step 3: Cross multiply
    438,841,665x = 943,727,490 × 943,727,490
  4. Step 4: Simplify right side
    438,841,665x = 890,621,575,381,700,096
  5. Step 5: Solve for x
    x = 890,621,575,381,700,096/438,841,665
  6. Step 6: Final answer
    x = 2,029,482,718.74

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.