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Finding the Third Proportional to 19,308,160 and 28,628,280

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Solution

The third proportional to 19,308,160 and 28,628,280 is: 42,447,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308,160 : 28,628,280 = 28,628,280 : x
  2. Step 2: Convert to fraction form
    19,308,160/28,628,280 = 28,628,280/x
  3. Step 3: Cross multiply
    19,308,160x = 28,628,280 × 28,628,280
  4. Step 4: Simplify right side
    19,308,160x = 819,578,415,758,400
  5. Step 5: Solve for x
    x = 819,578,415,758,400/19,308,160
  6. Step 6: Final answer
    x = 42,447,256.28

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.