Home / 18,207,139.50-39,011,278.85

Finding the Third Proportional to 18,207,139.50 and 39,011,278.85

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Solution

The third proportional to 18,207,139.50 and 39,011,278.85 is: 83,586,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207,139.50 : 39,011,278.85 = 39,011,278.85 : x
  2. Step 2: Convert to fraction form
    18,207,139.50/39,011,278.85 = 39,011,278.85/x
  3. Step 3: Cross multiply
    18,207,139.50x = 39,011,278.85 × 39,011,278.85
  4. Step 4: Simplify right side
    18,207,139.50x = 1,521,879,877,634,328.50
  5. Step 5: Solve for x
    x = 1,521,879,877,634,328.50/18,207,139.50
  6. Step 6: Final answer
    x = 83,586,983.98

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.