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Finding the Third Proportional to 391,370,607 and 838,764,585

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Solution

The third proportional to 391,370,607 and 838,764,585 is: 1,797,595,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,370,607 : 838,764,585 = 838,764,585 : x
  2. Step 2: Convert to fraction form
    391,370,607/838,764,585 = 838,764,585/x
  3. Step 3: Cross multiply
    391,370,607x = 838,764,585 × 838,764,585
  4. Step 4: Simplify right side
    391,370,607x = 703,526,029,050,222,208
  5. Step 5: Solve for x
    x = 703,526,029,050,222,208/391,370,607
  6. Step 6: Final answer
    x = 1,797,595,466.97

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.