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Finding the Third Proportional to 7,798,852.13 and 12,139,675.13

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Solution

The third proportional to 7,798,852.13 and 12,139,675.13 is: 18,896,590.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798,852.13 : 12,139,675.13 = 12,139,675.13 : x
  2. Step 2: Convert to fraction form
    7,798,852.13/12,139,675.13 = 12,139,675.13/x
  3. Step 3: Cross multiply
    7,798,852.13x = 12,139,675.13 × 12,139,675.13
  4. Step 4: Simplify right side
    7,798,852.13x = 147,371,712,140,543.75
  5. Step 5: Solve for x
    x = 147,371,712,140,543.75/7,798,852.13
  6. Step 6: Final answer
    x = 18,896,590.14

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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.