Home / 8,346,711.47-18,121,036.50

Finding the Third Proportional to 8,346,711.47 and 18,121,036.50

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Solution

The third proportional to 8,346,711.47 and 18,121,036.50 is: 39,341,477.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346,711.47 : 18,121,036.50 = 18,121,036.50 : x
  2. Step 2: Convert to fraction form
    8,346,711.47/18,121,036.50 = 18,121,036.50/x
  3. Step 3: Cross multiply
    8,346,711.47x = 18,121,036.50 × 18,121,036.50
  4. Step 4: Simplify right side
    8,346,711.47x = 328,371,963,834,332.25
  5. Step 5: Solve for x
    x = 328,371,963,834,332.25/8,346,711.47
  6. Step 6: Final answer
    x = 39,341,477.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.