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Finding the Third Proportional to 7,321,940 and 15,249,910

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Solution

The third proportional to 7,321,940 and 15,249,910 is: 31,762,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321,940 : 15,249,910 = 15,249,910 : x
  2. Step 2: Convert to fraction form
    7,321,940/15,249,910 = 15,249,910/x
  3. Step 3: Cross multiply
    7,321,940x = 15,249,910 × 15,249,910
  4. Step 4: Simplify right side
    7,321,940x = 232,559,755,008,100
  5. Step 5: Solve for x
    x = 232,559,755,008,100/7,321,940
  6. Step 6: Final answer
    x = 31,762,040.53

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.