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Finding the Third Proportional to 28,835,912 and 40,314,540

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Solution

The third proportional to 28,835,912 and 40,314,540 is: 56,362,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835,912 : 40,314,540 = 40,314,540 : x
  2. Step 2: Convert to fraction form
    28,835,912/40,314,540 = 40,314,540/x
  3. Step 3: Cross multiply
    28,835,912x = 40,314,540 × 40,314,540
  4. Step 4: Simplify right side
    28,835,912x = 1,625,262,135,411,600
  5. Step 5: Solve for x
    x = 1,625,262,135,411,600/28,835,912
  6. Step 6: Final answer
    x = 56,362,432.21

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.