Home / 121,181,029.59-191,916,666.56

Finding the Third Proportional to 121,181,029.59 and 191,916,666.56

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Solution

The third proportional to 121,181,029.59 and 191,916,666.56 is: 303,942,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,181,029.59 : 191,916,666.56 = 191,916,666.56 : x
  2. Step 2: Convert to fraction form
    121,181,029.59/191,916,666.56 = 191,916,666.56/x
  3. Step 3: Cross multiply
    121,181,029.59x = 191,916,666.56 × 191,916,666.56
  4. Step 4: Simplify right side
    121,181,029.59x = 36,832,006,904,461,808
  5. Step 5: Solve for x
    x = 36,832,006,904,461,808/121,181,029.59
  6. Step 6: Final answer
    x = 303,942,019.87

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.