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Finding the Third Proportional to 18,837,550 and 40,686,572

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Solution

The third proportional to 18,837,550 and 40,686,572 is: 87,877,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837,550 : 40,686,572 = 40,686,572 : x
  2. Step 2: Convert to fraction form
    18,837,550/40,686,572 = 40,686,572/x
  3. Step 3: Cross multiply
    18,837,550x = 40,686,572 × 40,686,572
  4. Step 4: Simplify right side
    18,837,550x = 1,655,397,141,111,184
  5. Step 5: Solve for x
    x = 1,655,397,141,111,184/18,837,550
  6. Step 6: Final answer
    x = 87,877,518.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.