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Finding the Third Proportional to 71,776,603.13 and 111,355,602.75

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Solution

The third proportional to 71,776,603.13 and 111,355,602.75 is: 172,759,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,776,603.13 : 111,355,602.75 = 111,355,602.75 : x
  2. Step 2: Convert to fraction form
    71,776,603.13/111,355,602.75 = 111,355,602.75/x
  3. Step 3: Cross multiply
    71,776,603.13x = 111,355,602.75 × 111,355,602.75
  4. Step 4: Simplify right side
    71,776,603.13x = 12,400,070,263,815,808
  5. Step 5: Solve for x
    x = 12,400,070,263,815,808/71,776,603.13
  6. Step 6: Final answer
    x = 172,759,224.09

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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.