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Finding the Third Proportional to 19,911,960 and 43,328,106

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Solution

The third proportional to 19,911,960 and 43,328,106 is: 94,281,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911,960 : 43,328,106 = 43,328,106 : x
  2. Step 2: Convert to fraction form
    19,911,960/43,328,106 = 43,328,106/x
  3. Step 3: Cross multiply
    19,911,960x = 43,328,106 × 43,328,106
  4. Step 4: Simplify right side
    19,911,960x = 1,877,324,769,547,236
  5. Step 5: Solve for x
    x = 1,877,324,769,547,236/19,911,960
  6. Step 6: Final answer
    x = 94,281,264.60

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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.