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Finding the Third Proportional to 12,957,409 and 28,355,258

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Solution

The third proportional to 12,957,409 and 28,355,258 is: 62,051,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957,409 : 28,355,258 = 28,355,258 : x
  2. Step 2: Convert to fraction form
    12,957,409/28,355,258 = 28,355,258/x
  3. Step 3: Cross multiply
    12,957,409x = 28,355,258 × 28,355,258
  4. Step 4: Simplify right side
    12,957,409x = 804,020,656,246,564
  5. Step 5: Solve for x
    x = 804,020,656,246,564/12,957,409
  6. Step 6: Final answer
    x = 62,051,036.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.