Home / 12,820,357.13-28,072,128.38

Finding the Third Proportional to 12,820,357.13 and 28,072,128.38

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Solution

The third proportional to 12,820,357.13 and 28,072,128.38 is: 61,468,209.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,820,357.13 : 28,072,128.38 = 28,072,128.38 : x
  2. Step 2: Convert to fraction form
    12,820,357.13/28,072,128.38 = 28,072,128.38/x
  3. Step 3: Cross multiply
    12,820,357.13x = 28,072,128.38 × 28,072,128.38
  4. Step 4: Simplify right side
    12,820,357.13x = 788,044,391,502,480.12
  5. Step 5: Solve for x
    x = 788,044,391,502,480.12/12,820,357.13
  6. Step 6: Final answer
    x = 61,468,209.02

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.