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Finding the Third Proportional to 8,130,356 and 12,596,486

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Solution

The third proportional to 8,130,356 and 12,596,486 is: 19,515,930.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130,356 : 12,596,486 = 12,596,486 : x
  2. Step 2: Convert to fraction form
    8,130,356/12,596,486 = 12,596,486/x
  3. Step 3: Cross multiply
    8,130,356x = 12,596,486 × 12,596,486
  4. Step 4: Simplify right side
    8,130,356x = 158,671,459,548,196
  5. Step 5: Solve for x
    x = 158,671,459,548,196/8,130,356
  6. Step 6: Final answer
    x = 19,515,930.12

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.