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Finding the Third Proportional to 13,547,122 and 20,638,281

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Solution

The third proportional to 13,547,122 and 20,638,281 is: 31,441,264.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547,122 : 20,638,281 = 20,638,281 : x
  2. Step 2: Convert to fraction form
    13,547,122/20,638,281 = 20,638,281/x
  3. Step 3: Cross multiply
    13,547,122x = 20,638,281 × 20,638,281
  4. Step 4: Simplify right side
    13,547,122x = 425,938,642,634,961
  5. Step 5: Solve for x
    x = 425,938,642,634,961/13,547,122
  6. Step 6: Final answer
    x = 31,441,264.25

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.