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Finding the Third Proportional to 9,129,088 and 12,762,400

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Solution

The third proportional to 9,129,088 and 12,762,400 is: 17,841,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129,088 : 12,762,400 = 12,762,400 : x
  2. Step 2: Convert to fraction form
    9,129,088/12,762,400 = 12,762,400/x
  3. Step 3: Cross multiply
    9,129,088x = 12,762,400 × 12,762,400
  4. Step 4: Simplify right side
    9,129,088x = 162,878,853,760,000
  5. Step 5: Solve for x
    x = 162,878,853,760,000/9,129,088
  6. Step 6: Final answer
    x = 17,841,744.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.