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Finding the Third Proportional to 2,912,602.78 and 4,368,904.59

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Solution

The third proportional to 2,912,602.78 and 4,368,904.59 is: 6,553,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,602.78 : 4,368,904.59 = 4,368,904.59 : x
  2. Step 2: Convert to fraction form
    2,912,602.78/4,368,904.59 = 4,368,904.59/x
  3. Step 3: Cross multiply
    2,912,602.78x = 4,368,904.59 × 4,368,904.59
  4. Step 4: Simplify right side
    2,912,602.78x = 19,087,327,349,289.85
  5. Step 5: Solve for x
    x = 19,087,327,349,289.85/2,912,602.78
  6. Step 6: Final answer
    x = 6,553,357.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.