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Finding the Third Proportional to 13,118,520 and 20,577,047

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Solution

The third proportional to 13,118,520 and 20,577,047 is: 32,276,115.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118,520 : 20,577,047 = 20,577,047 : x
  2. Step 2: Convert to fraction form
    13,118,520/20,577,047 = 20,577,047/x
  3. Step 3: Cross multiply
    13,118,520x = 20,577,047 × 20,577,047
  4. Step 4: Simplify right side
    13,118,520x = 423,414,863,240,209
  5. Step 5: Solve for x
    x = 423,414,863,240,209/13,118,520
  6. Step 6: Final answer
    x = 32,276,115.24

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.