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Finding the Third Proportional to 15,312,316 and 33,406,424

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Solution

The third proportional to 15,312,316 and 33,406,424 is: 72,881,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,312,316 : 33,406,424 = 33,406,424 : x
  2. Step 2: Convert to fraction form
    15,312,316/33,406,424 = 33,406,424/x
  3. Step 3: Cross multiply
    15,312,316x = 33,406,424 × 33,406,424
  4. Step 4: Simplify right side
    15,312,316x = 1,115,989,164,467,776
  5. Step 5: Solve for x
    x = 1,115,989,164,467,776/15,312,316
  6. Step 6: Final answer
    x = 72,881,800.80

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.