Home / 20,706,637.50-31,490,157.38

Finding the Third Proportional to 20,706,637.50 and 31,490,157.38

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Solution

The third proportional to 20,706,637.50 and 31,490,157.38 is: 47,889,475.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,706,637.50 : 31,490,157.38 = 31,490,157.38 : x
  2. Step 2: Convert to fraction form
    20,706,637.50/31,490,157.38 = 31,490,157.38/x
  3. Step 3: Cross multiply
    20,706,637.50x = 31,490,157.38 × 31,490,157.38
  4. Step 4: Simplify right side
    20,706,637.50x = 991,630,011,502,266.88
  5. Step 5: Solve for x
    x = 991,630,011,502,266.88/20,706,637.50
  6. Step 6: Final answer
    x = 47,889,475.61

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.