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Finding the Third Proportional to 20,887,245 and 31,931,347.50

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Solution

The third proportional to 20,887,245 and 31,931,347.50 is: 48,815,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,887,245 : 31,931,347.50 = 31,931,347.50 : x
  2. Step 2: Convert to fraction form
    20,887,245/31,931,347.50 = 31,931,347.50/x
  3. Step 3: Cross multiply
    20,887,245x = 31,931,347.50 × 31,931,347.50
  4. Step 4: Simplify right side
    20,887,245x = 1,019,610,953,165,756.25
  5. Step 5: Solve for x
    x = 1,019,610,953,165,756.25/20,887,245
  6. Step 6: Final answer
    x = 48,815,004.24

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.