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Finding the Third Proportional to 20,886,714.50 and 31,930,403

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Solution

The third proportional to 20,886,714.50 and 31,930,403 is: 48,813,356.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,886,714.50 : 31,930,403 = 31,930,403 : x
  2. Step 2: Convert to fraction form
    20,886,714.50/31,930,403 = 31,930,403/x
  3. Step 3: Cross multiply
    20,886,714.50x = 31,930,403 × 31,930,403
  4. Step 4: Simplify right side
    20,886,714.50x = 1,019,550,635,742,409
  5. Step 5: Solve for x
    x = 1,019,550,635,742,409/20,886,714.50
  6. Step 6: Final answer
    x = 48,813,356.25

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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.