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Finding the Third Proportional to 21,012,312 and 45,266,304

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Solution

The third proportional to 21,012,312 and 45,266,304 is: 97,516,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,012,312 : 45,266,304 = 45,266,304 : x
  2. Step 2: Convert to fraction form
    21,012,312/45,266,304 = 45,266,304/x
  3. Step 3: Cross multiply
    21,012,312x = 45,266,304 × 45,266,304
  4. Step 4: Simplify right side
    21,012,312x = 2,049,038,277,820,416
  5. Step 5: Solve for x
    x = 2,049,038,277,820,416/21,012,312
  6. Step 6: Final answer
    x = 97,516,079.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.