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Finding the Third Proportional to 12,905,712 and 28,087,360.50

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Solution

The third proportional to 12,905,712 and 28,087,360.50 is: 61,127,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905,712 : 28,087,360.50 = 28,087,360.50 : x
  2. Step 2: Convert to fraction form
    12,905,712/28,087,360.50 = 28,087,360.50/x
  3. Step 3: Cross multiply
    12,905,712x = 28,087,360.50 × 28,087,360.50
  4. Step 4: Simplify right side
    12,905,712x = 788,899,819,856,960.25
  5. Step 5: Solve for x
    x = 788,899,819,856,960.25/12,905,712
  6. Step 6: Final answer
    x = 61,127,957.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.