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Finding the Third Proportional to 28,903,680 and 39,368,580

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Solution

The third proportional to 28,903,680 and 39,368,580 is: 53,622,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903,680 : 39,368,580 = 39,368,580 : x
  2. Step 2: Convert to fraction form
    28,903,680/39,368,580 = 39,368,580/x
  3. Step 3: Cross multiply
    28,903,680x = 39,368,580 × 39,368,580
  4. Step 4: Simplify right side
    28,903,680x = 1,549,885,091,216,400
  5. Step 5: Solve for x
    x = 1,549,885,091,216,400/28,903,680
  6. Step 6: Final answer
    x = 53,622,413.87

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.