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Finding the Third Proportional to 7,810,904 and 16,920,904

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Solution

The third proportional to 7,810,904 and 16,920,904 is: 36,656,063.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810,904 : 16,920,904 = 16,920,904 : x
  2. Step 2: Convert to fraction form
    7,810,904/16,920,904 = 16,920,904/x
  3. Step 3: Cross multiply
    7,810,904x = 16,920,904 × 16,920,904
  4. Step 4: Simplify right side
    7,810,904x = 286,316,992,177,216
  5. Step 5: Solve for x
    x = 286,316,992,177,216/7,810,904
  6. Step 6: Final answer
    x = 36,656,063.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.