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Finding the Third Proportional to 4,881,628.90 and 7,298,486.02

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Solution

The third proportional to 4,881,628.90 and 7,298,486.02 is: 10,911,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881,628.90 : 7,298,486.02 = 7,298,486.02 : x
  2. Step 2: Convert to fraction form
    4,881,628.90/7,298,486.02 = 7,298,486.02/x
  3. Step 3: Cross multiply
    4,881,628.90x = 7,298,486.02 × 7,298,486.02
  4. Step 4: Simplify right side
    4,881,628.90x = 53,267,898,120,273.69
  5. Step 5: Solve for x
    x = 53,267,898,120,273.69/4,881,628.90
  6. Step 6: Final answer
    x = 10,911,910.60

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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.