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Finding the Third Proportional to 70,021,520 and 112,505,808

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Solution

The third proportional to 70,021,520 and 112,505,808 is: 180,766,667.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,021,520 : 112,505,808 = 112,505,808 : x
  2. Step 2: Convert to fraction form
    70,021,520/112,505,808 = 112,505,808/x
  3. Step 3: Cross multiply
    70,021,520x = 112,505,808 × 112,505,808
  4. Step 4: Simplify right side
    70,021,520x = 12,657,556,833,732,864
  5. Step 5: Solve for x
    x = 12,657,556,833,732,864/70,021,520
  6. Step 6: Final answer
    x = 180,766,667.64

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.