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Finding the Third Proportional to 28,430,642 and 40,519,371

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Solution

The third proportional to 28,430,642 and 40,519,371 is: 57,748,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,642 : 40,519,371 = 40,519,371 : x
  2. Step 2: Convert to fraction form
    28,430,642/40,519,371 = 40,519,371/x
  3. Step 3: Cross multiply
    28,430,642x = 40,519,371 × 40,519,371
  4. Step 4: Simplify right side
    28,430,642x = 1,641,819,426,235,641
  5. Step 5: Solve for x
    x = 1,641,819,426,235,641/28,430,642
  6. Step 6: Final answer
    x = 57,748,236.08

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.