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Finding the Third Proportional to 5,217,594 and 7,209,558

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Solution

The third proportional to 5,217,594 and 7,209,558 is: 9,962,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,594 : 7,209,558 = 7,209,558 : x
  2. Step 2: Convert to fraction form
    5,217,594/7,209,558 = 7,209,558/x
  3. Step 3: Cross multiply
    5,217,594x = 7,209,558 × 7,209,558
  4. Step 4: Simplify right side
    5,217,594x = 51,977,726,555,364
  5. Step 5: Solve for x
    x = 51,977,726,555,364/5,217,594
  6. Step 6: Final answer
    x = 9,962,010.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.