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Finding the Third Proportional to 5,386,421.95 and 8,575,014.80

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Solution

The third proportional to 5,386,421.95 and 8,575,014.80 is: 13,651,154.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386,421.95 : 8,575,014.80 = 8,575,014.80 : x
  2. Step 2: Convert to fraction form
    5,386,421.95/8,575,014.80 = 8,575,014.80/x
  3. Step 3: Cross multiply
    5,386,421.95x = 8,575,014.80 × 8,575,014.80
  4. Step 4: Simplify right side
    5,386,421.95x = 73,530,878,766,625.20
  5. Step 5: Solve for x
    x = 73,530,878,766,625.20/5,386,421.95
  6. Step 6: Final answer
    x = 13,651,154.59

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.