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Finding the Third Proportional to 8,798,689.55 and 12,883,053.80

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Solution

The third proportional to 8,798,689.55 and 12,883,053.80 is: 18,863,385.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798,689.55 : 12,883,053.80 = 12,883,053.80 : x
  2. Step 2: Convert to fraction form
    8,798,689.55/12,883,053.80 = 12,883,053.80/x
  3. Step 3: Cross multiply
    8,798,689.55x = 12,883,053.80 × 12,883,053.80
  4. Step 4: Simplify right side
    8,798,689.55x = 165,973,075,133,175.34
  5. Step 5: Solve for x
    x = 165,973,075,133,175.34/8,798,689.55
  6. Step 6: Final answer
    x = 18,863,385.76

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.