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Finding the Third Proportional to 7,104,328 and 10,720,428

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Solution

The third proportional to 7,104,328 and 10,720,428 is: 16,177,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104,328 : 10,720,428 = 10,720,428 : x
  2. Step 2: Convert to fraction form
    7,104,328/10,720,428 = 10,720,428/x
  3. Step 3: Cross multiply
    7,104,328x = 10,720,428 × 10,720,428
  4. Step 4: Simplify right side
    7,104,328x = 114,927,576,503,184
  5. Step 5: Solve for x
    x = 114,927,576,503,184/7,104,328
  6. Step 6: Final answer
    x = 16,177,121.40

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.