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Finding the Third Proportional to 28,516,924 and 61,579,280

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Solution

The third proportional to 28,516,924 and 61,579,280 is: 132,973,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516,924 : 61,579,280 = 61,579,280 : x
  2. Step 2: Convert to fraction form
    28,516,924/61,579,280 = 61,579,280/x
  3. Step 3: Cross multiply
    28,516,924x = 61,579,280 × 61,579,280
  4. Step 4: Simplify right side
    28,516,924x = 3,792,007,725,318,400
  5. Step 5: Solve for x
    x = 3,792,007,725,318,400/28,516,924
  6. Step 6: Final answer
    x = 132,973,939.45

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.