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Finding the Third Proportional to 56,781,135 and 85,075,839

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Solution

The third proportional to 56,781,135 and 85,075,839 is: 127,470,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,781,135 : 85,075,839 = 85,075,839 : x
  2. Step 2: Convert to fraction form
    56,781,135/85,075,839 = 85,075,839/x
  3. Step 3: Cross multiply
    56,781,135x = 85,075,839 × 85,075,839
  4. Step 4: Simplify right side
    56,781,135x = 7,237,898,381,553,921
  5. Step 5: Solve for x
    x = 7,237,898,381,553,921/56,781,135
  6. Step 6: Final answer
    x = 127,470,125.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.