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Finding the Third Proportional to 56,872,977 and 122,506,428

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Solution

The third proportional to 56,872,977 and 122,506,428 is: 263,883,230.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,872,977 : 122,506,428 = 122,506,428 : x
  2. Step 2: Convert to fraction form
    56,872,977/122,506,428 = 122,506,428/x
  3. Step 3: Cross multiply
    56,872,977x = 122,506,428 × 122,506,428
  4. Step 4: Simplify right side
    56,872,977x = 15,007,824,901,319,184
  5. Step 5: Solve for x
    x = 15,007,824,901,319,184/56,872,977
  6. Step 6: Final answer
    x = 263,883,230.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.