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Finding the Third Proportional to 254,894,041.69 and 393,600,979.69

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Solution

The third proportional to 254,894,041.69 and 393,600,979.69 is: 607,788,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,894,041.69 : 393,600,979.69 = 393,600,979.69 : x
  2. Step 2: Convert to fraction form
    254,894,041.69/393,600,979.69 = 393,600,979.69/x
  3. Step 3: Cross multiply
    254,894,041.69x = 393,600,979.69 × 393,600,979.69
  4. Step 4: Simplify right side
    254,894,041.69x = 154,921,731,210,959,776
  5. Step 5: Solve for x
    x = 154,921,731,210,959,776/254,894,041.69
  6. Step 6: Final answer
    x = 607,788,750.91

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.