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Finding the Third Proportional to 12,492,430 and 28,917,310

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Solution

The third proportional to 12,492,430 and 28,917,310 is: 66,937,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,430 : 28,917,310 = 28,917,310 : x
  2. Step 2: Convert to fraction form
    12,492,430/28,917,310 = 28,917,310/x
  3. Step 3: Cross multiply
    12,492,430x = 28,917,310 × 28,917,310
  4. Step 4: Simplify right side
    12,492,430x = 836,210,817,636,100
  5. Step 5: Solve for x
    x = 836,210,817,636,100/12,492,430
  6. Step 6: Final answer
    x = 66,937,402.70

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.