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Finding the Third Proportional to 8,378,368 and 13,106,688

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Solution

The third proportional to 8,378,368 and 13,106,688 is: 20,503,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,368 : 13,106,688 = 13,106,688 : x
  2. Step 2: Convert to fraction form
    8,378,368/13,106,688 = 13,106,688/x
  3. Step 3: Cross multiply
    8,378,368x = 13,106,688 × 13,106,688
  4. Step 4: Simplify right side
    8,378,368x = 171,785,270,329,344
  5. Step 5: Solve for x
    x = 171,785,270,329,344/8,378,368
  6. Step 6: Final answer
    x = 20,503,428.63

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.