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Finding the Third Proportional to 30,877,705 and 45,418,429

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Solution

The third proportional to 30,877,705 and 45,418,429 is: 66,806,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,877,705 : 45,418,429 = 45,418,429 : x
  2. Step 2: Convert to fraction form
    30,877,705/45,418,429 = 45,418,429/x
  3. Step 3: Cross multiply
    30,877,705x = 45,418,429 × 45,418,429
  4. Step 4: Simplify right side
    30,877,705x = 2,062,833,692,828,041
  5. Step 5: Solve for x
    x = 2,062,833,692,828,041/30,877,705
  6. Step 6: Final answer
    x = 66,806,574.28

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.