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Finding the Third Proportional to 5,555,312 and 12,174,208

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Solution

The third proportional to 5,555,312 and 12,174,208 is: 26,679,210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555,312 : 12,174,208 = 12,174,208 : x
  2. Step 2: Convert to fraction form
    5,555,312/12,174,208 = 12,174,208/x
  3. Step 3: Cross multiply
    5,555,312x = 12,174,208 × 12,174,208
  4. Step 4: Simplify right side
    5,555,312x = 148,211,340,427,264
  5. Step 5: Solve for x
    x = 148,211,340,427,264/5,555,312
  6. Step 6: Final answer
    x = 26,679,210.89

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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.