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Finding the Third Proportional to 5,030,990.88 and 7,845,421.59

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Solution

The third proportional to 5,030,990.88 and 7,845,421.59 is: 12,234,297.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030,990.88 : 7,845,421.59 = 7,845,421.59 : x
  2. Step 2: Convert to fraction form
    5,030,990.88/7,845,421.59 = 7,845,421.59/x
  3. Step 3: Cross multiply
    5,030,990.88x = 7,845,421.59 × 7,845,421.59
  4. Step 4: Simplify right side
    5,030,990.88x = 61,550,639,983,678.79
  5. Step 5: Solve for x
    x = 61,550,639,983,678.79/5,030,990.88
  6. Step 6: Final answer
    x = 12,234,297.68

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.