Finding the Third Proportional to 999,490 and 2,185,382
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Solution
The third proportional to 999,490 and 2,185,382 is: 4,778,331.43
Step by Step Solution
- Step 1: Write the proportion equation
999,490 : 2,185,382 = 2,185,382 : x - Step 2: Convert to fraction form
999,490/2,185,382 = 2,185,382/x - Step 3: Cross multiply
999,490x = 2,185,382 × 2,185,382 - Step 4: Simplify right side
999,490x = 4,775,894,485,924 - Step 5: Solve for x
x = 4,775,894,485,924/999,490 - Step 6: Final answer
x = 4,778,331.43
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.