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Finding the Third Proportional to 56,999,586 and 122,070,432

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Solution

The third proportional to 56,999,586 and 122,070,432 is: 261,426,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,999,586 : 122,070,432 = 122,070,432 : x
  2. Step 2: Convert to fraction form
    56,999,586/122,070,432 = 122,070,432/x
  3. Step 3: Cross multiply
    56,999,586x = 122,070,432 × 122,070,432
  4. Step 4: Simplify right side
    56,999,586x = 14,901,190,368,666,624
  5. Step 5: Solve for x
    x = 14,901,190,368,666,624/56,999,586
  6. Step 6: Final answer
    x = 261,426,291.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.