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Finding the Third Proportional to 2,788,897.53 and 4,309,459.74

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Solution

The third proportional to 2,788,897.53 and 4,309,459.74 is: 6,659,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,897.53 : 4,309,459.74 = 4,309,459.74 : x
  2. Step 2: Convert to fraction form
    2,788,897.53/4,309,459.74 = 4,309,459.74/x
  3. Step 3: Cross multiply
    2,788,897.53x = 4,309,459.74 × 4,309,459.74
  4. Step 4: Simplify right side
    2,788,897.53x = 18,571,443,249,544.90
  5. Step 5: Solve for x
    x = 18,571,443,249,544.90/2,788,897.53
  6. Step 6: Final answer
    x = 6,659,062.60

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.