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Finding the Third Proportional to 7,185,780 and 15,312,240

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Solution

The third proportional to 7,185,780 and 15,312,240 is: 32,628,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,780 : 15,312,240 = 15,312,240 : x
  2. Step 2: Convert to fraction form
    7,185,780/15,312,240 = 15,312,240/x
  3. Step 3: Cross multiply
    7,185,780x = 15,312,240 × 15,312,240
  4. Step 4: Simplify right side
    7,185,780x = 234,464,693,817,600
  5. Step 5: Solve for x
    x = 234,464,693,817,600/7,185,780
  6. Step 6: Final answer
    x = 32,628,983.05

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.