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Finding the Third Proportional to 13,156,984 and 20,249,272

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Solution

The third proportional to 13,156,984 and 20,249,272 is: 31,164,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156,984 : 20,249,272 = 20,249,272 : x
  2. Step 2: Convert to fraction form
    13,156,984/20,249,272 = 20,249,272/x
  3. Step 3: Cross multiply
    13,156,984x = 20,249,272 × 20,249,272
  4. Step 4: Simplify right side
    13,156,984x = 410,033,016,529,984
  5. Step 5: Solve for x
    x = 410,033,016,529,984/13,156,984
  6. Step 6: Final answer
    x = 31,164,666.35

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.