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Finding the Third Proportional to 9,708,340.50 and 21,110,985

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Solution

The third proportional to 9,708,340.50 and 21,110,985 is: 45,906,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708,340.50 : 21,110,985 = 21,110,985 : x
  2. Step 2: Convert to fraction form
    9,708,340.50/21,110,985 = 21,110,985/x
  3. Step 3: Cross multiply
    9,708,340.50x = 21,110,985 × 21,110,985
  4. Step 4: Simplify right side
    9,708,340.50x = 445,673,687,670,225
  5. Step 5: Solve for x
    x = 445,673,687,670,225/9,708,340.50
  6. Step 6: Final answer
    x = 45,906,268.70

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.