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Finding the Third Proportional to 12,699,492 and 19,168,276.50

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Solution

The third proportional to 12,699,492 and 19,168,276.50 is: 28,932,088.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699,492 : 19,168,276.50 = 19,168,276.50 : x
  2. Step 2: Convert to fraction form
    12,699,492/19,168,276.50 = 19,168,276.50/x
  3. Step 3: Cross multiply
    12,699,492x = 19,168,276.50 × 19,168,276.50
  4. Step 4: Simplify right side
    12,699,492x = 367,422,823,980,452.25
  5. Step 5: Solve for x
    x = 367,422,823,980,452.25/12,699,492
  6. Step 6: Final answer
    x = 28,932,088.31

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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.