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Finding the Third Proportional to 69,312,152 and 107,759,032

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Solution

The third proportional to 69,312,152 and 107,759,032 is: 167,532,079.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,312,152 : 107,759,032 = 107,759,032 : x
  2. Step 2: Convert to fraction form
    69,312,152/107,759,032 = 107,759,032/x
  3. Step 3: Cross multiply
    69,312,152x = 107,759,032 × 107,759,032
  4. Step 4: Simplify right side
    69,312,152x = 11,612,008,977,577,024
  5. Step 5: Solve for x
    x = 11,612,008,977,577,024/69,312,152
  6. Step 6: Final answer
    x = 167,532,079.77

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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.