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Finding the Third Proportional to 61,810,083 and 128,706,630

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Solution

The third proportional to 61,810,083 and 128,706,630 is: 268,004,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,810,083 : 128,706,630 = 128,706,630 : x
  2. Step 2: Convert to fraction form
    61,810,083/128,706,630 = 128,706,630/x
  3. Step 3: Cross multiply
    61,810,083x = 128,706,630 × 128,706,630
  4. Step 4: Simplify right side
    61,810,083x = 16,565,396,605,956,900
  5. Step 5: Solve for x
    x = 16,565,396,605,956,900/61,810,083
  6. Step 6: Final answer
    x = 268,004,762.36

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.