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Finding the Third Proportional to 776,165 and 1,696,618

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Solution

The third proportional to 776,165 and 1,696,618 is: 3,708,634.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,165 : 1,696,618 = 1,696,618 : x
  2. Step 2: Convert to fraction form
    776,165/1,696,618 = 1,696,618/x
  3. Step 3: Cross multiply
    776,165x = 1,696,618 × 1,696,618
  4. Step 4: Simplify right side
    776,165x = 2,878,512,637,924
  5. Step 5: Solve for x
    x = 2,878,512,637,924/776,165
  6. Step 6: Final answer
    x = 3,708,634.94

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.