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Finding the Third Proportional to 12,430,428 and 27,166,440

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Solution

The third proportional to 12,430,428 and 27,166,440 is: 59,371,685.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430,428 : 27,166,440 = 27,166,440 : x
  2. Step 2: Convert to fraction form
    12,430,428/27,166,440 = 27,166,440/x
  3. Step 3: Cross multiply
    12,430,428x = 27,166,440 × 27,166,440
  4. Step 4: Simplify right side
    12,430,428x = 738,015,462,273,600
  5. Step 5: Solve for x
    x = 738,015,462,273,600/12,430,428
  6. Step 6: Final answer
    x = 59,371,685.53

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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.